living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Rotifera Cuvier, 1798 - rotifers see Phylum Syndermata Ahlrichs, 1995
           Class Bdelloidea Hudson, 1884
             Order Bdelloida
               Family Philodinidae
                 1 Genus Rotaria Scopoli, 1777
                 2 Genus Philodina Ehrenberg, 1830
                 3 Genus Mniobia Bryce, 1910
                 4 Genus Ceratotrocha Bryce, 1910
                 5 Genus Macrotrachela Milne, 1886
                 6 Genus Embata Bryce, 1910